CN101820099A - Omnidirectional wide band conic column antenna - Google Patents
Omnidirectional wide band conic column antenna Download PDFInfo
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- CN101820099A CN101820099A CN200910078593A CN200910078593A CN101820099A CN 101820099 A CN101820099 A CN 101820099A CN 200910078593 A CN200910078593 A CN 200910078593A CN 200910078593 A CN200910078593 A CN 200910078593A CN 101820099 A CN101820099 A CN 101820099A
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Abstract
The invention discloses an omnidirectional wide band conic column antenna. The omnidirectional wide band conic column antenna adopts novel design of combination of a cylinder (1) and a cone (2); the peak of the cone (2) is opened with a feed cut (5) ( or a cylinder vacant hole (13)) for coaxial feed; and the way that the bottom surface of antenna and a mounting plane (6) are in insulation mounting and conformal is adopted, and an omnidirectional wide ban antenna with smaller volume, wider frequency band and lower cost is provided.
Description
Technical field
The present invention relates to a kind of omnidirectional wide band antenna, more particularly say, relate to a kind of omnidirectional wide band conic antenna.
Background technology
At present, in the omnidirectional wide band communications applications, conical antenna (biconical antenna (Fig. 1-A), monocone antenna (Fig. 1-B) and discone antenna (Fig. 1-C)) be the antenna of using always.Cone antenna according to the existing technical scheme making, the antenna overall volume is bigger, awl end floor space is bigger, therefore, limited it and used widely, particularly need limited installing space realize more broadband and (or) require antenna small and exquisite and (or) need to move or require field easy to carry.
Summary of the invention
The purpose of this invention is to provide a kind of more small size, more wide band omnidirectional wideband antenna.
The invention provides a kind of brand-new technology scheme, feature is to take brand new that cylinder (1) is combined with cone (2); Feed otch (5) (or cylinder emptying aperture (13)), feed are done by the place on the cone summit; And surmount isolated designing antenna in the common Antenna Design and do not pay attention to the antenna installation environment, particularly actively do not utilize the convention of installation environment (mounting plane), take antenna and settle the conformal mode of plane (6) insulating mounting, the omnidirectional wideband antenna that volume is littler, frequency band is wideer---omnidirectional wide band conic column antenna is provided.
The technical solution used in the present invention is to use electric conducting material to make the cone (2) of certain radius, and connect homoaxial electrically conductive cylinder (1) formation community's (calling circular cone post (3) in the following text) in the bottom of cone, as a utmost point of antenna radiator; Summit in cone (2) uses electric conducting material to make same radius (or different radii), homoaxial plane disc (4), as another utmost point of antenna radiator; On the summit of cone, do with feed coaxial line (or coaxial fitting) (7) coaxial outer conductor interior through the suitable cone otch (5) of d size (or cylinder emptying aperture (13)); Feed coaxial inner conductor (9) is extremely linked to each other with antenna radiator one, another extremely links to each other and with feed coaxial outer conductor (11) and antenna, realize feed, form single awl cylindricality conic column antenna (perhaps summit of cone relatively with this, use electric conducting material to make homoaxial cone or conical cylinder, as another utmost point of antenna radiator, form bipyramid column type conic column antenna).For the conic column antenna that is installed on the metal flat, during installation, with the tight insulating mounting of conic column antenna and installation metal flat (6).
The invention has the beneficial effects as follows significantly, being installed on the metal platform to make one, requiring frequency to cover 400 megahertzes is example to 2.6 GHzs, standing-wave ratio smaller or equal to 2 all channel antenna, by existing antenna technology, the monocone antenna that needs to make 240 millimeters of diameters, 120 millimeters size dimensions of height could be realized; And, only need diameter of making to be 100 millimeters, highly just can to realize less than single circular cone cylindricality conic column antenna of 150 millimeters size dimensions according to the solution of the present invention.Compare with the antenna that adopts prior art to make, the antenna that adopts the present invention program to make, net volume has only 50% of prior art scheme monocone antenna, and outward appearance volume (generally adding radome) has only 22% of prior art scheme monocone antenna; Simultaneously, owing to make the minimizing that antenna consumes the pairing antenna surface area of electric conducting material, the conductor material direct cost only is 46% of a prior art scheme monocone antenna.Even more noteworthy, according to antenna theory, the present invention is actually the effective electric size that has increased antenna, is not only with frequency range to require can to accomplish down than the prior art antenna of small size more, and under the condition of given bulk, more have ready conditions and produce more wide band antenna.Such as, for the application of having only A4 paper size installing space, according to prior art be have no idea to produce frequency cover 400 megahertzes to 2.6 GHzs, standing-wave ratio smaller or equal to 2 broadband monocone antenna, and can realize fully according to technical scheme of the present invention.
Therefore, the present invention has enlarged application than prior art, has reduced material cost, more meets the small and exquisite epoch demand of volume, the superiority of the amount of having and matter.
Description of drawings
Fig. 1 is biconical antenna (Fig. 1-A), monocone antenna (Fig. 1-B) and discone antenna (schematic diagram of Fig. 1-C) of prior art.
Fig. 2 is a schematic diagram of the present invention.
Fig. 3 is circular cone otch of the present invention (5) (or cylinder emptying aperture (13)) and feeding classification schematic diagram.
Fig. 4 is the schematic diagram of the embodiment of the invention 2.
Embodiment
Embodiment 1(Fig. 2)
Below in conjunction with accompanying drawing, conical cylinder (3) antenna of spending, need be installed in (6) on the metal flat, 50 ohm of coaxial lines (7) feed with making cone angle 90 is an example, specifically implements, makes wide band conic column antenna of the present invention.
Do cylinder (1) combination (circular cone post (3)) that cone angle is 90 degree, the circular cone (2) of design radial and same radius, design height with electric conducting material;
At place, the summit of cone (2), do and circular cone axis of a cylinder straight otch (5) in identical, diameter and 50 ohm of feed coaxial lines (or coaxial fitting) (7) outer conductors (10) through d size unanimity;
Make disk (4) with radius with electric conducting material, and be the center of circle with the circle disk center, it is outer directly through the emptying aperture of D size with 50 ohm of feed coaxial lines (or coaxial fitting) (7) outer conductors (11) to do a diameter; And coaxial fitting (seat) is installed on the disk, realize being electrically connected of coaxial outer conductor (11) and disk (4);
Take necessary insulation fixed support, circular cone post (3) is installed in, circular cone post otch plane (8) axially consistent with disk (4) equals the height of coaxial line (or coaxial fitting) (7) outer conductor (10) inside radius (half value of d) size, and coaxial line (or coaxial fitting) (7) inner wire (9) is electrically connected in the implementation of otch plane (8) circle centre position with circular cone post (3) apart from disk (4) plan range;
Upward punching of metal flat (6) (or reserving mounting hole site) is being installed, and with the conic column antenna of said structure, insulation snugly fits on this plane (6);
Go up the connection signal at coaxial line (or coaxial fitting) (7), carry out feed.
Embodiment 2(Fig. 4)
Present embodiment (Fig. 4) is further expanding of embodiment 1 (Fig. 2), sacrificing under the symmetric condition of the limited omnidirectional of conic column antenna, by between cone (2) and disk (4) (outer edge place) introduce together axial conduction tubing string (12) with cone (2) and disk (4) electrical short, under same frequency range requirement and standing-wave ratio requirement, can reduce the height of cylinder in the above-mentioned conic column antenna (1), further reduce above-mentioned conic column antenna whole height with this; Specifically, can also bring up the independently feed passage that to organize other antenna feed of battle array or combination with this conic column antenna up and down by the interior hollow of the short circuit conduction tubing string of introducing thus (12).
Making the different part of omnidirectional wide band conic column body antenna of the present invention with embodiment 1 only is:
When designing and producing above-mentioned cone (2) cylinder (1), the height of cylinder (1) is reduced certain value, as cylinder height is reduced to 70 millimeters from 100 millimeters;
Select the conductor wire (or pipe) tiny, that length is not less than cone (2) height,, coaxially cone (2) is electrically connected the conduction tubing string (12) of formation short circuit with disk (4) enforcement near cone (2) and disk (4) outer edge.
Under situation about having with present embodiment omnidirectional wide band conic column antenna group battle array or other antenna of being used in combination, can be with the feeder cable of other antenna of organizing battle array with it or being used in combination or signal cable interior hollow passing through from above-mentioned conduction tubing string (12).
Claims (5)
1. omnidirectional wide band conic column antenna, it is characterized in that: use electric conducting material to make the cone (2) of certain radius, and connect homoaxial electrically conductive cylinder (1) in the bottom of cone and form community's (circular cone rod structure), as a utmost point of antenna radiator; Summit in cone (2) uses electric conducting material to make same radius (or different radii), homoaxial plane disc (4), as another utmost point of antenna radiator; On the summit of conical cylinder, do with feed coaxial line (or coaxial fitting) (7) coaxial outer conductor interior through the suitable cone otch (5) of d size (or cylindrical emptying aperture (13)); Feed coaxial inner conductor (9) is extremely linked to each other with antenna radiator one, another extremely links to each other and with feed coaxial outer conductor (11) and antenna, realize feed, form single awl cylindricality conic column antenna (perhaps summit of cone relatively with this, use electric conducting material to make homoaxial cone or conical cylinder, as another utmost point of antenna radiator, form bipyramid column type conic column antenna).For the conic column antenna that is installed on the metal flat, during installation, with the tight insulating mounting of conic column antenna and installation metal flat (6).Above-mentioned omnidirectional wide band conic column antenna can also be by introducing a coaxial thin conduction tubing string (12) with the short circuit of conic column antenna the two poles of the earth at conic column antenna radiation two interpolars (outer edge place), reduce the height of cylinder in the above-mentioned conic column antenna (1), further reduce above-mentioned conic column antenna whole height with this; Specifically, can also bring up the independently feed passage that to organize other antenna feed of battle array or combination with this conic column antenna up and down by the short circuit conduction tubing string of introducing thus (12).
2. omnidirectional wide band conic column antenna according to claim 1 is characterized in that: take cylinder (1) and cone (2) structure combining form.
3. omnidirectional wide band conic column antenna according to claim 1, it is characterized in that:, do and circular cone axis of a cylinder straight otch (5) (or cylinder emptying aperture (13)) in identical, diameter and feed coaxial line (or coaxial fitting) (7) outer conductor (10) through d size unanimity at cone summit place.
4. omnidirectional wide band conic column antenna according to claim 1 is characterized in that: the conic column antenna of on metal flat, installing, and during installation, with the tight insulating mounting of conic column antenna and installation metal flat (6).
5. omnidirectional wide band conic column antenna according to claim 1, it is characterized in that: (outer edge place) introduces a coaxial thin conduction tubing string (12) with cone (2) and disk (4) electrical short between cone (2) and disk (4), reduce the height of cylinder in the above-mentioned omnidirectional wide band conic column antenna (1), and can be this short circuit conduction tubing string (12), as the independently feed passage and the signal cable passage of other antenna feed of organizing battle array up and down with this conic column antenna or making up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910078593A CN101820099A (en) | 2009-02-27 | 2009-02-27 | Omnidirectional wide band conic column antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910078593A CN101820099A (en) | 2009-02-27 | 2009-02-27 | Omnidirectional wide band conic column antenna |
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| CN101820099A true CN101820099A (en) | 2010-09-01 |
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| CN200910078593A Pending CN101820099A (en) | 2009-02-27 | 2009-02-27 | Omnidirectional wide band conic column antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110885A (en) * | 2010-12-24 | 2011-06-29 | 哈尔滨工业大学 | Omnidirectionally radiated ultra wideband antenna |
| CN103117451A (en) * | 2013-03-04 | 2013-05-22 | 金明涛 | Ultra wide band antenna |
| CN104157959A (en) * | 2014-08-08 | 2014-11-19 | 电子科技大学 | Dual-band wideband electronic small antenna |
| CN104979622A (en) * | 2014-04-08 | 2015-10-14 | 蒋云阳 | Special-shaped cone cylinder broadband antenna |
| CN106252849A (en) * | 2016-08-31 | 2016-12-21 | 武汉睿眼神盾科技有限公司 | A kind of active charger of broadening miniature antenna bandwidth |
| CN109411871A (en) * | 2018-11-16 | 2019-03-01 | 广东盛路通信科技股份有限公司 | A kind of wide band high-gain high-speed rail mimo antenna |
| CN111969335A (en) * | 2020-08-16 | 2020-11-20 | 西安电子科技大学 | Conformal dual-polarized two-dimensional single-pulse end-fire array antenna |
-
2009
- 2009-02-27 CN CN200910078593A patent/CN101820099A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110885A (en) * | 2010-12-24 | 2011-06-29 | 哈尔滨工业大学 | Omnidirectionally radiated ultra wideband antenna |
| CN102110885B (en) * | 2010-12-24 | 2013-08-07 | 哈尔滨工业大学 | Omnidirectionally radiated ultra wideband antenna |
| CN103117451A (en) * | 2013-03-04 | 2013-05-22 | 金明涛 | Ultra wide band antenna |
| CN104979622A (en) * | 2014-04-08 | 2015-10-14 | 蒋云阳 | Special-shaped cone cylinder broadband antenna |
| CN104157959A (en) * | 2014-08-08 | 2014-11-19 | 电子科技大学 | Dual-band wideband electronic small antenna |
| CN106252849A (en) * | 2016-08-31 | 2016-12-21 | 武汉睿眼神盾科技有限公司 | A kind of active charger of broadening miniature antenna bandwidth |
| CN109411871A (en) * | 2018-11-16 | 2019-03-01 | 广东盛路通信科技股份有限公司 | A kind of wide band high-gain high-speed rail mimo antenna |
| CN109411871B (en) * | 2018-11-16 | 2023-12-19 | 广东盛路通信科技股份有限公司 | Broadband high-gain high-speed railway MIMO antenna |
| CN111969335A (en) * | 2020-08-16 | 2020-11-20 | 西安电子科技大学 | Conformal dual-polarized two-dimensional single-pulse end-fire array antenna |
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Application publication date: 20100901 |